The Best ‘Ice Bucket’ Challenge I’ve Seen Yet

There have been a ton of different celebrities who have accepted the ALS Association 'Ice Bucket Challenge' recently-- from all sorts of country stars, including Tim McGraw, Kip Moore and Eric Church, to professional athletes like Joe Mauer, Aaron Rodgers and more. Even Bill Gates recently got in on the action. But the funniest challenge I've seen so far is the one Conan O'Brian did late last week...